:root{
  --md-primary:#1a73e8;
  --md-primary-dark:#1558b0;
  --md-surface:#ffffff;
  --md-bg:#f6f8fb;
  --md-text:#202124;
  --md-muted:#5f6368;
  --md-danger:#d93025;
  --md-success:#188038;
  --md-radius:14px;
  --md-shadow:0 6px 18px rgba(0,0,0,.08);
  --md-shadow2:0 10px 28px rgba(0,0,0,.12);
  --md-border:1px solid rgba(32,33,36,.12);
  font-synthesis-weight: none;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;color:var(--md-text);background:var(--md-bg)}
a{color:inherit}
header{
  position:sticky;top:0;z-index:10;
  background:rgba(255,255,255,.86);
  backdrop-filter: blur(10px);
  border-bottom: var(--md-border);
}
.header-inner{
  max-width:980px;margin:0 auto;padding:16px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-dot{width:12px;height:12px;border-radius:999px;background:var(--md-primary);box-shadow:0 0 0 6px rgba(26,115,232,.12)}
.brand h1{font-size:18px;margin:0;font-weight:650;letter-spacing:.2px}
.subtle{color:var(--md-muted);font-size:13px}

.container{max-width:980px;margin:0 auto;padding:18px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.card{
  grid-column: span 12;
  background:var(--md-surface);
  border-radius:var(--md-radius);
  box-shadow:var(--md-shadow);
  border:var(--md-border);
  padding:16px 16px;
  cursor:pointer;
  transition: transform .08s ease, box-shadow .08s ease;
}
.card:hover{transform: translateY(-1px);box-shadow:var(--md-shadow2)}
/* Past events: visually subdued, but fully readable on hover/focus */
.card.past{
  opacity: .5;
  transition: opacity 140ms ease;
}
.card.past:hover,
.card.past:focus,
.card.past:focus-within{
  opacity: 1;
}

.card h2{margin:0 0 6px 0;font-size:16px;font-weight:700}
.meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--md-muted);font-size:13px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  border:var(--md-border);background:#fff;font-size:12px;color:var(--md-muted)
}
.chip.primary{border-color: rgba(26,115,232,.25); background: rgba(26,115,232,.06); color: var(--md-primary-dark)}
.chip.danger{border-color: rgba(217,48,37,.25); background: rgba(217,48,37,.06); color: var(--md-danger)}
.chip.success{border-color: rgba(24,128,56,.25); background: rgba(24,128,56,.06); color: var(--md-success)}
.right{margin-left:auto}
.count{font-weight:650;color:var(--md-text)}
.footer-note{color:var(--md-muted);font-size:13px;margin-top:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:none;border-radius:999px;
  padding:10px 14px;font-weight:650;
  background:var(--md-primary);color:#fff;
  cursor:pointer;transition:background .12s ease, transform .08s ease;
}
.btn:hover{background:var(--md-primary-dark)}
.btn:active{transform: translateY(1px)}
.btn.secondary{background:#fff;color:var(--md-text);border:var(--md-border)}
.btn.danger{background:var(--md-danger)}
.btn.success{background:var(--md-success)}
.btn.small{padding:7px 10px;font-size:13px}
.btn:disabled{opacity:.55;cursor:not-allowed}

.topnav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.topnav-link{
  text-decoration:none;
  padding:8px 10px;
  border-radius:999px;
  border:var(--md-border);
  background:#fff;
  font-size:13px;
  color:var(--md-muted);
}
.topnav-link.active{border-color: rgba(26,115,232,.25); background: rgba(26,115,232,.06); color: var(--md-primary-dark)}
.topnav-status{font-size:13px;color:var(--md-muted)}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.field{display:flex;flex-direction:column;gap:6px;min-width:240px;flex:1}
label{font-size:12px;color:var(--md-muted)}
input, textarea, select{
  padding:10px 12px;border-radius:12px;border:var(--md-border);
  background:#fff;font-size:14px;outline:none;
}
textarea{min-height:90px;resize:vertical}
small.help{color:var(--md-muted)}

/* Rich text rendering (public) */
.richtext :where(p,div){margin:0 0 10px 0}
.richtext :where(ul,ol){margin:0 0 10px 18px}
.richtext a{color:var(--md-primary-dark)}

/* Simple RTE */
.rte-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 8px 0}
.rte-btn{
  border:var(--md-border);
  background:#fff;
  border-radius:999px;
  padding:6px 10px;
  cursor:pointer;
  font-size:13px;
  color:var(--md-text);
}
.rte-btn:hover{box-shadow:0 1px 0 rgba(0,0,0,.04)}
.rte-editor{
  min-height:120px;
  padding:10px 12px;
  border-radius:12px;
  border:var(--md-border);
  background:#fff;
  font-size:14px;
  outline:none;
}
.rte-editor:empty:before{
  content: attr(data-placeholder);
  color: rgba(95,99,104,.75);
}

/* Tabs in admin */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin: 6px 0 12px 0}
.tab-btn{background:#fff;color:var(--md-text);border:var(--md-border);border-radius:999px;padding:9px 12px;font-weight:650;cursor:pointer}
.tab-btn.active{border-color: rgba(26,115,232,.25); background: rgba(26,115,232,.06); color: var(--md-primary-dark)}

hr.sep{border:0;border-top:var(--md-border);margin:14px 0}

/* Modal */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.38);
  display:none;
  padding:18px;z-index:30;
  overflow:auto;
  /*
    Modal responsiveness:
    - Scroll the backdrop (container), not the modal body.
    - Center the modal when it fits; if it exceeds viewport height,
      margins collapse and it becomes naturally top-aligned within padding.
  */
  flex-direction:column;
}
.modal{
  width:min(720px,100%);background:#fff;border-radius:18px;
  box-shadow:var(--md-shadow2);border:var(--md-border);
  max-height: calc(100vh - 36px);
  overflow:auto;
  margin:auto;
}
.modal-head{
  padding:16px 16px;border-bottom:var(--md-border);
  display:flex;align-items:flex-start;gap:12px;
}
.modal-head h3{margin:0;font-size:17px;font-weight:750}
.modal-body{padding:16px}
.modal-actions{
  padding:14px 16px;border-top:var(--md-border);
  display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap;
}
.modal-close{margin-left:auto}
.notice{
  padding:10px 12px;border-radius:12px;border:var(--md-border);
  background:rgba(95,99,104,.06);color:var(--md-text);font-size:13px
}
.notice.danger{border-color: rgba(217,48,37,.25); background: rgba(217,48,37,.06)}
.notice.success{border-color: rgba(24,128,56,.25); background: rgba(24,128,56,.06)}

.table{
  width:100%;border-collapse:collapse;font-size:14px;
}
.table th, .table td{border-bottom:var(--md-border);padding:10px 8px;text-align:left}
.table th{font-size:12px;color:var(--md-muted);font-weight:700}
.table td .btn{padding:7px 10px;font-size:13px}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:rgba(0,0,0,.06);padding:2px 6px;border-radius:6px;font-size:12px}


/* Update banner */
.update-banner{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 12px;margin:10px auto;max-width:1100px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.12);background:#fff;}
.update-banner.hidden{display:none;}


/* Tabs row (admin) */
.tabs-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  margin: 6px 0 12px 0;
}
.tabs-row .tabs{ margin:0; }

/* Admin lists */
#eventsList, #pastEventsList{
  display:flex;
  flex-direction:column;
  gap:1rem;
}

/* Snackbar */
.snackbar{
  position:fixed;
  right:16px;
  bottom:16px;
  min-width:260px;
  max-width:min(420px, calc(100vw - 32px));
  background:rgba(50,50,50,.98);
  color:#fff;
  padding:12px 14px;
  border-radius:12px;
  box-shadow:var(--md-shadow2);
  opacity:0;
  transform:translateY(8px);
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
  z-index:120;
  font-size:14px;
}
.snackbar.show{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}
.snackbar.success{ background: rgba(24,128,56,.95); }
.snackbar.danger{ background: rgba(217,48,37,.95); }